var SITE_ROOT = '/app/webroot/';

Event. observe(window, 'load', function(e){

		if(!$('media')){
			return;
		}
		
		var submits = $$('#media input[type="submit"]');
		for(var i = 0; i < submits.length; i++){
			submits[i].hide();
		}

		var checkboxes = $$('#media input[type="checkbox"]');
		for(var i = 0; i < checkboxes.length; i++){

			var checkbox = checkboxes[i];
			Event.observe(
				checkbox,
				'change',
				function(e){
					var form = $(Event.findElement(e, 'form'));
					var checkboxHere = form.down('input[type="checkbox"]');
					var url = form.action;
					var options = {
						parameters: 'data[ExtensionMedium][show_on_home]=' + Number(checkboxHere.checked),
						onComplete: function(){
							var image = checkboxHere.next();
							image.remove();
						}
					};
					var ajaxRequest = new Ajax.Request(url, options);
					var insertion = new Insertion.After(
						checkboxHere, 
						'<img src="' + SITE_ROOT + 'img/ajax_loading.gif" alt="Loading" />'
					);
				}
			);
	
		}

	}
);